IronOCR for .NET

A .NET library that enables accurate text extraction from images and PDFs using advanced Optical Character Recognition (OCR).

Published by Iron Software
Distributed by ComponentSource since 2017

Prices from: US$ 979.02 Version: 2026.x NEW Updated: Apr 29, 2026

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IronOCR for .NET Releases

Released: Apr 29, 2026

Updates in 2026.5.2

Features

  • Added word-level coordinates to OcrDocAdvancedResult for improved reading order reconstruction.
  • Updated internal dependencies.

Fixes

  • Fixed ReadHandwriting() crash on skewed or difficult inputs; now returns an empty result when no text can be extracted.
  • Corrected bounding box coordinates in ReadPhoto() and ReadScreenShot() when AdvancedScan resizes images, preventing out-of-bounds regions and crop/PDF errors.
  • Fixed an issue where TIFF images with orientation tags were incorrectly flipped...
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Released: Mar 27, 2026

Updates in 2026.4.1

Features

  • Added full International Civil Aviation Organization (ICAO) MRZ field extraction and best-effort VIZ Date of Issue detection to 'PassportInfo'.
  • Updated internal dependencies.

Fixes

  • Fixed crash in 'SaveAsSearchablePdf' when using Scale() or EnhanceResolution() during batch text rendering.
  • Fixed System.Memory assembly version conflict (FileLoadException) affecting .NET Framework 4.8 customers.

Released: Mar 1, 2026

Updates in 2026.3.3

Features

  • Added Custom Font support for searchable PDF generation.
  • Updated internal dependencies.

Fixes

  • Fixed ReadPhoto and ReadScreenShot crash when no text is detected.
  • Fixed an issue where Unicode characters and non-standard fonts were not rendering correctly in draw text operations.
  • Fixed UTF-8 character rendering issues.
  • Fixed unnecessary HOCR generation and temp file cleanup issues.

Released: Feb 17, 2026

Updates in 2026.2.1

Features

  • Updated internal dependencies.

Released: Feb 11, 2026

Updates in 2026.1.2

Features

  • Updated internal dependencies.

Released: Dec 26, 2025

Updates in 2025.12.3

Features

  • Added SaveAsSearchablePdf() support for OcrPhotoResult and OcrDocAdvancedResult.
  • Updated internal dependencies.

Fixes

  • Fixed an issue where corrupted characters from the input PDF appeared in the output searchable PDF.
  • Fixed an issue where SaveAsSearchablePdf() throws exception when applying Deskew() to OcrInput.
  • Fixed an issue where SaveAsSearchablePdf() throws exception when ApplyFilter was set to true.
  • Known Issue: Scale() and EnhanceResolution() filters incompatible with...
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Released: Nov 10, 2025

Updates in 2025.11.31

Features

  • Added OCR support for handwritten text in English.
  • Improved processing time when generating OCR searchable PDF.
  • Combined IronOcr.Extensions.AdvancedScan to the main IronOcr package.
  • Updated internal dependencies.

Fixes

  • Fixed an issue where ASP.NET Web App .NET Framework (MVC/Web Forms) throws exception when using advanced scan methods.
  • Fixed an issue where SaveAsSearchablePdf() throws 'Sequence contains no elements' exception.
  • Fixed an issue where native reference files cannot be...
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Released: Oct 8, 2025

Updates in 2025.10.11

Features

  • Updated internal dependencies.

Released: Sep 2, 2025

Updates in 2025.9.7

Features

  • Optimized memory consumption for Tiff image inputs.
  • Updated IronSoftware.System.Drawing to 2025.9.3.

Released: Aug 14, 2025

Updates in 2025.8.6

Features

  • Introduced four OrientationDetectionModes in DetectPageOrientation(): Fast, Balanced, Detailed, ExtremeDetailed.
  • Improved DetectPageOrientation() outputs.
  • Updated IronSoftware.System.Drawing to 2025.8.1.

Fixes

  • Fixed issue where UseCustomTesseractLanguageFile cannot load file name with a space.
  • Fixed text flow in incorrect directions when generating searchable PDFs.